WO2019028760A1

WO2019028760A1 - Resource indicating method and device, receiving method and device, and communication system

Info

Publication number: WO2019028760A1
Application number: PCT/CN2017/096885
Authority: WO
Inventors: 张国玉; 宋磊; 王昕�
Original assignee: 富士通株式会社; 张国玉; 宋磊; 王昕�
Priority date: 2017-08-10
Filing date: 2017-08-10
Publication date: 2019-02-14
Also published as: US20200084794A1; JP2020522923A; CN110574417A

Abstract

A resource indicating method and device, a receiving method and device, and a communication system. The resource indicating method comprises: transmitting common signaling used for indicating, to a group consisting of multiple user equipments (UEs), a Channel State Information Reference Signal (CSI-RS) resource; and transmitting dedicated signaling used for scheduling downlink data and/or used for indicating one or more UEs within the group measured by Channel State Information (CSI). Hence, by uniformly configuring resources used for PDSCH rate matching and CSI measurement by a high layer, the description of high-layer configuration information may be simplified; by indicating common information of a UE group by means of common signaling, the overall control signaling overhead of a system can be effectively reduced; in addition, by using the common signaling, indication of a CSI-RS resource for PDSCH rate matching and triggering of a CSI-RS can be simultaneously implemented.

Description

Resource indication and receiving method, device and communication system

Technical field

The embodiments of the present invention relate to the field of communications technologies, and in particular, to a resource indication and receiving method, apparatus, and communication system.

Background technique

In a Long Term Evolution (LTE) system, a network device (for example, a base station) can transmit downlink data to a user equipment (UE, User Equipment), and perform data symbol mapping on a Physical Downlink Shared Channel (PDSCH). When a resource block (RB) is used, it is necessary to avoid resource elements (RE, Resource Element) occupied by other physical channels and/or reference signals. Moreover, the network device needs to inform the UE of the location of the occupied REs through configuration signaling or an indication signal, so that the UE can correctly demap the data symbols, and then correctly decode.

In the LTE-A (LTE Advanced) system, a periodic channel state information reference signal (CSI-RS) is configured by higher layer signaling, such as RRC (Radio Resource Control) signaling. When performing network PDSCH mapping, the network device may acquire the occupied RE location and quantity according to the configuration information, thereby performing rate matching of data symbols.

The non-periodic CSI-RS is configured by RRC signaling and is triggered by Downlink Control Information (DCI). When performing PDSCH rate matching, it can be divided into two cases: when the non-periodic CSI- When the RS and the PDSCH are sent to the same UE, the rate matching will be completed according to the configuration information of the aperiodic CSI-RS of the UE; and when the aperiodic CSI-RS and the PDSCH are not sent to the same UE, Configuration signaling for RE mapping of the PDSCH introduced in LTE release 11 is used.

The configuration signaling may configure four zero-power CSI-RSs (ZP CSI-RSs) for the UE, and further indicate one of the ZP CSI-RS resources by the DCI, and the PDSCH rate matching will avoid the other UEs. Resources occupied by CSI-RS. At this time, other UEs are also indicated in the received DCI that the aperiodic CSI measurement occupying the resource is triggered.

It should be noted that the above description of the technical background is only for the purpose of facilitating a clear and complete description of the technical solutions of the present invention, and is convenient for understanding by those skilled in the art. The above technical solutions are not considered to be well known to those skilled in the art simply because these aspects are set forth in the background section of the present invention.

Summary of the invention

The inventor has found that in the existing resource indication method, the same CSI-RS resource appears in the DCI of the UE in which the downlink data is scheduled and in the DCI of the UE that triggered the CSI-RS measurement, that is, the same CSI-RS resource. In each of the DCIs, they occupy a certain amount of overhead. In the fifth generation (5G) communication system, since the new radio (NR, New Radio) supports multiple aperiodic CSI-RS resources appearing in the same subframe, the current resource indication method will increase the overall downlink control signal of the system. Make the cost.

Embodiments of the present invention provide a resource indication and reception method, apparatus, and communication system. It is desirable to uniformly configure the indication of CSI-RS resources for PDSCH rate matching and CSI measurement.

According to a first aspect of the embodiments of the present invention, a resource indication method is provided, including:

The network device transmits a common signaling indicating a channel state information reference signal resource for the group composed of the plurality of user equipments;

The network device transmits dedicated signaling for scheduling downlink data and/or one or more user equipments within the group for indicating channel state information measurements.

According to a second aspect of the embodiments of the present invention, a resource indication apparatus is provided, including:

a common signaling sending unit that transmits a common signaling for indicating a channel state information reference signal resource to a group consisting of a plurality of user equipments;

A dedicated signaling transmitting unit that transmits dedicated signaling for scheduling downlink data and/or one or more user equipments within the group for indicating channel state information measurements.

According to a third aspect of the embodiments of the present invention, a resource receiving method is provided, including:

Receiving, by the user equipment, common signaling of a group of multiple user equipments for indicating channel state information reference signal resources, where the common signaling is decoded by user equipments in the group;

The user equipment receives dedicated signaling sent by the network device for scheduling downlink data and/or for indicating channel state information measurement.

According to a fourth aspect of the embodiments of the present invention, a resource receiving apparatus includes:

a common signaling receiving unit that receives common signaling of a group of multiple user equipments for indicating channel state information reference signal resources sent by the network device; wherein the common signaling is used by user equipments in the group decoding;

a dedicated signaling receiving unit, which receives the downlink data sent by the network device and/or is used to refer to Dedicated signaling showing channel state information measurements.

According to a fifth aspect of the embodiments of the present invention, a communication system is provided, including:

a network device comprising the resource indicating device of the second aspect above;

User equipment comprising the resource receiving apparatus of the fourth aspect above.

The beneficial effects of the embodiments of the present invention are: the network device sends the common signaling of the user equipment group for indicating the channel state information reference signal resource; and transmits one or the information for scheduling the downlink data and/or for indicating the channel state information measurement. Dedicated signaling for multiple user equipment.

Therefore, the resources for PDSCH rate matching and CSI measurement can be uniformly configured by the upper layer, and the description of the high-level configuration information can be simplified; and the public information of the UE group can be indicated by the common signaling, which can effectively reduce the overall control signaling of the system. Overhead; furthermore, through the common signaling, an indication of CSI-RS resources for PDSCH rate matching and triggering of CSI-RSs can be simultaneously implemented.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the drawings, in which <RTIgt; It should be understood that the embodiments of the invention are not limited in scope. The embodiments of the present invention include many variations, modifications, and equivalents within the scope of the appended claims.

Features described and/or illustrated with respect to one embodiment may be used in one or more other embodiments in the same or similar manner, in combination with, or in place of, features in other embodiments. .

It should be emphasized that the term "comprising" or "comprises" or "comprises" or "comprising" or "comprising" or "comprising" or "comprising" or "comprising" or "comprising" or "comprising"

DRAWINGS

The elements and features described in one of the figures or one embodiment of the embodiments of the invention may be combined with the elements and features illustrated in one or more other figures or embodiments. In the accompanying drawings, like reference numerals refer to the

1 is a schematic diagram of a communication system according to an embodiment of the present invention;

2 is a schematic diagram of a resource receiving method according to an embodiment of the present invention;

3 is a schematic diagram of a resource indication and receiving method according to an embodiment of the present invention;

4 is a schematic diagram of a common resource pool configured for a UE group according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a resource indication method according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic diagram of a resource receiving apparatus according to an embodiment of the present invention; FIG.

FIG. 7 is a schematic diagram of a resource sending apparatus according to an embodiment of the present invention; FIG.

FIG. 8 is a schematic diagram of a network device according to an embodiment of the present invention; FIG.

FIG. 9 is a schematic diagram of a user equipment according to an embodiment of the present invention.

Detailed ways

The foregoing and other features of the present invention will be apparent from the The specific embodiments of the present invention are disclosed in the specification and the drawings, which are illustrated in the embodiment of the invention The invention includes all modifications, variations and equivalents falling within the scope of the appended claims.

In the embodiment of the present invention, the terms "first", "second", etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising," "comprising," "having," or "an"

In the embodiments of the present invention, the singular forms "a", "the", "the", "the" and "the" It is to be understood that the singular In addition, the term "subject" should be understood to mean "based at least in part", and the term "based on" should be understood to mean "based at least in part on" unless the context clearly indicates otherwise.

In the embodiment of the present invention, the term "communication network" or "wireless communication network" may refer to a network that conforms to any communication standard such as Long Term Evolution (LTE), Enhanced Long Term Evolution (LTE-A, LTE- Advanced), Wideband Code Division Multiple Access (WCDMA), High-Speed Packet Access (HSPA), and the like.

Moreover, the communication between devices in the communication system may be performed according to any phase of the communication protocol, and may include, for example but not limited to, the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, and future. 5G, New Radio (NR), etc., and/or other communication protocols currently known or to be developed in the future.

In the embodiment of the present invention, the term "network device" refers to, for example, accessing a terminal device to a communication in a communication system. A device that provides services to the terminal device. The network device may include, but is not limited to, a device: a base station (BS, a base station), an access point (AP, an Access Point), a transmission and reception point (TRP), a broadcast transmitter, and a mobility management entity (MME, Mobile). Management Entity), gateway, server, Radio Network Controller (RNC), Base Station Controller (BSC), and so on.

The base station may include, but is not limited to, a Node B (NodeB or NB), an evolved Node B (eNodeB or eNB), and a 5G base station (gNB), and the like, and may further include a Remote Radio Head (RRH). , Remote Radio Unit (RRU), relay or low power node (eg femto, pico, etc.). And the term "base station" may include some or all of their functions, and each base station may provide communication coverage for a particular geographic area. The term "cell" can refer to a base station and/or its coverage area, depending on the context in which the term is used.

In the embodiment of the present invention, the term "user equipment" (UE) or "Terminal Equipment" (TE) refers to, for example, a device that accesses a communication network through a network device and receives a network service. The user equipment may be fixed or mobile, and may also be referred to as a mobile station (MS, Mobile Station), a terminal, a subscriber station (SS, Subscriber Station), an access terminal (AT, Access Terminal), a station, and the like.

The user equipment may include, but is not limited to, a cellular phone (Cellular Phone), a personal digital assistant (PDA, Personal Digital Assistant), a wireless modem, a wireless communication device, a handheld device, a machine type communication device, a laptop computer, Cordless phones, smart phones, smart watches, digital cameras, and more.

For example, in a scenario such as the Internet of Things (IoT), the user equipment may also be a machine or device that performs monitoring or measurement, and may include, but is not limited to, a Machine Type Communication (MTC) terminal, In-vehicle communication terminal, device to device (D2D, Device to Device) terminal, machine to machine (M2M, Machine to Machine) terminal, and the like.

The scenario of the embodiment of the present invention is described below by way of example, but the present invention is not limited thereto.

FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention. The user equipment and the network device are taken as an example. As shown in FIG. 1, the communication system 100 may include a network device 101 and a user equipment 102. For the sake of simplicity, FIG. 1 is only described by taking one user equipment and one network device as an example, but the embodiment of the present invention is not limited thereto.

In the embodiment of the present invention, an existing service or a service that can be implemented in the future can be performed between the network device 101 and the user equipment 102. For example, these services may include, but are not limited to, enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and high reliability low latency communication (URLLC, Ultra-Reliable and Low). -Latency Communication), and so on.

The embodiment of the present invention will be described below by taking the NR system as an example; however, the present invention is not limited thereto, and can be applied to any system in which similar problems exist. In addition, the embodiment of the present invention will be described by taking an aperiodic CSI-RS resource as an example, but the present invention is not limited thereto. For example, the method or apparatus of the present invention may be applied to other channel measurement or channel estimation resources.

Example 1

The embodiment of the invention provides a resource receiving method, which is applied to a user equipment side.

FIG. 2 is a schematic diagram of a resource receiving method according to an embodiment of the present invention, which is described from the user equipment side. As shown in FIG. 2, the method includes:

Step 201: The user equipment receives public signaling of a group consisting of multiple user equipments that are sent by the network device to indicate CSI-RS resources, where the common signaling is decoded by user equipments in the group.

Step 202: The user equipment receives the dedicated signaling sent by the network device for scheduling downlink data and/or for indicating CSI measurement.

It is specified in the NR that the transmission of the aperiodic CSI-RS resource is triggered by the DCI, and the aperiodic CSI-RS resource that is triggered by the dynamic signaling is also required to be indicated when the PDSCH rate is matched. When the aperiodic CSI-RS resource is transmitted in the PDSCH, not only the UE that receives the data needs to indicate the RE occupied by the aperiodic CSI-RS resource by dynamic signaling, so that the UE that receives the CSI-RS is the same. It is necessary to indicate by dynamic signaling that its aperiodic CSI-RS resources are triggered.

Although these dynamic signaling are used for different purposes (PDSCH rate matching or CSI-RS triggering), they are all indicating to the UE that CSI-RS resources are transmitted. If the indication information is sent in each of the UE-specific PDCCHs involved, the overall control signaling overhead of the system will be increased. For example, if the indication information requires M bits and the N UEs need to receive the indication information, the overhead of the indication information in the system signaling will be M*N bits.

In this embodiment, the control signaling (eg, group common PDCCH) common to the UE group is carried by the UE. Indicates the indication information of the aperiodic CSI-RS resource. Each UE in the group (ie, all UEs in the group, but the present invention is not limited thereto) decodes the common signaling to determine whether there is an aperiodic CSI-RS. The resource is sent. Therefore, the embodiment of the present invention combines the indication information of the aperiodic CSI-RS resources that are sent to different user equipments into one common signaling, which can effectively reduce the overall control signaling overhead of the system.

In this embodiment, the user equipment that performs data reception may bypass the channel state information reference signal resource indicated in the common signaling when performing demapping on the downlink data, to perform downlink data on the downlink data. Rate matching. The user equipment performing CSI measurement may determine whether to trigger the channel state information measurement according to the dedicated signaling; and when determining that the channel state information measurement is triggered, using the channel state information reference signal resource to perform the channel Status information measurement.

In this embodiment, the common signaling may be carried in a group common PDCCH, where the DCI in the group common PDCCH may include resource information of one or more aperiodic CSI-RSs. The dedicated signaling may be carried in a user equipment-specific PDCCH (UE-specific PDCCH), and the DCI in the user equipment-specific PDCCH may include indication information of a PDSCH carrying the downlink data and/or confirm to perform aperiodic CSI measurement. Confirmation information.

For example, a user equipment in a group can obtain information about PDSCH mapping rate matching and aperiodic CSI-RS triggering in the following two steps:

In the first step, all UEs in the group decode the group common PDCCH to determine whether there is transmission of the aperiodic CSI-RS resource; if yes, it indicates that the aperiodic CSI-RS on the resource is triggered. In addition, if the aperiodic CSI-RS resource is configured in a resource setting (resource setting, as described later), the UE considers that the aperiodic CSI-RS resource may be sent to itself.

In the second step, the UE reads the respective UE-specific PDCCH. When it is scheduled for downlink data, the solution data mapping will avoid the REs indicated by the CSI-RS resources in the first step. In addition, the same resource may be configured to multiple user equipments. Therefore, the UE configured with the indicated resource in the resource setting may read the 1-bit acknowledgement information in the UE-specific PDCCH to determine whether it is required to utilize the indicated Resources are used for CSI measurements.

In this embodiment, a common resource pool can also be configured for each group and resources are configured for each UE.

FIG. 3 is another schematic diagram of a resource receiving method according to an embodiment of the present invention, which is described from a user equipment side and a network equipment side. As shown in FIG. 3, the method may include:

Step 301: The network device sends, to the user equipment, high layer signaling for configuring resources, where the user equipments in the group are configured with a common resource pool, and each user equipment is configured to select from the resource pool. One or more resources or resource sets.

The resource pool may include one or more of the following resources: a periodic CSI-RS resource, a semi-persistent CSI-RS resource, and an aperiodic CSI-RS resource.

For example, the network device may group the served UEs by using high layer signaling (for example, RRC signaling), and configure a common CSI-RS resource pool for the intra-group UEs (which may be called pool setting), resources. Each CSI-RS resource in the pool is configured with different parameters (such as density, number of antenna ports, RE resource style, etc.). In addition, the parameters of the CSI measurement (which may be referred to as resource setting) may be configured for each UE, and the resources of each UE may be selected from the resource pool.

4 is a schematic diagram of a common resource pool configured for a UE group according to an embodiment of the present invention. As shown in FIG. 4, in a pool setting, resources may be separately selected according to periodicity (for example, including periodic, semi-persistent, and aperiodic). Numbered.

As shown in FIG. 4, the resource setting in the UE 2 selects the periodic resource 1 in the resource pool, the

semi-persistent resources

3 and 6, and the

aperiodic resources

2, 3, and 7; these resources can be configured for the UE 2 Measured at CSI. For each UE, the resource setting can know which resources in the resource pool are used for CSI measurement, but it is not necessary to know which resources are configured for other UEs for CSI measurement.

Table 1 shows an example of resource configurations for the CSI measurement by the respective UEs in FIG.

Table 1

For all the UEs in the group, as long as the CSI-RS resources in the resource pool appear on the PDSCH transmitting the downlink data of the UE, regardless of whether the CSI-RS resource is sent to the UE, the data mapping of the UE needs to be avoided. Open the REs occupied by these resources.

As shown in FIG. 3, the method may further include:

Step 302: The network device sends, to the user equipment, control signaling for activating one or more resources or resource sets configured by the high layer signaling. The control signaling can be, for example, media access control (MAC, Medium). Access Control) (Control Element); however, the invention is not limited thereto.

Step 303: The network device sends a common signaling for indicating the CSI-RS resource to the user equipment in the group.

In this embodiment, the DCI in the common signaling may include: a bitmap field indicating the aperiodic CSI-RS resource; each bit or each bit in the bitmap field corresponds to a non-bit A resource or set of resources for periodic CSI-RS.

That is, in order to achieve simultaneous indication of multiple CSI-RS resources, the indication information may be designed in the form of a bitmap, and each bit of the bitmap indicates whether a resource/resource set is transmitted. For example, '0' means no transmission and '1' means transmission. In addition, depending on the measurement purpose, one measurement may trigger multiple resources at the same time. For example, when beam management may trigger multiple aperiodic CSI-RS resources at the same time, therefore, 1 bit in the bitmap may indicate a resource set ( Resource set).

For example, suppose that the resource pool in FIG. 4 contains nine aperiodic CSI-RS resources, wherein resources 3 and 7 belong to one resource set, and resources 4, 5, and 6 belong to one resource set, and they are always scheduled in the form of a resource set. Therefore, the 3, 4 bits in the 6-bit bitmap indicate whether the resource set is present or not.

Table 2 shows an example of a bitmap containing aperiodic CSI-RS indication information.

Table 2

Bitmap Bitmap	11	22	33	44	55	66
资源池中的非周期性资源编号Aperiodic resource number in the resource pool	11	22	3，73,7	4，5，64,5,6	88	99

However, the group common PDCCH also needs to consider the overhead problem. When the number of aperiodic resources configured in the resource pool is large, the bandwidth occupation overhead will increase, which will affect the coverage of the group common PDCCH. Therefore, it may be considered that a certain number of resources or resource sets in the resource pool are activated by the MAC CE in step 302, and the triggered resource or resource set is indicated by a bitmap in the group common PDCCH. The number of bits in the bitmap is the same as the number of activated resources or resource sets.

For example, a group common PDCCH indicates a non-periodic resource by a 6-bit bitmap. When the aperiodic resource or resource set in the resource pool is greater than six, 6 of them are activated by MAC CE signaling, and then group common PDCCH is used. The bitmap in the middle indicates the triggering condition; when the aperiodic resource or the resource set is less than or equal to 6, the activation of the MAC CE in step 302 can be skipped, directly indicated by the bitmap.

Step 304: The network device separately sends one or more user equipments for scheduling downlink data and/or for Dedicated signaling indicating channel status information measurements.

It should be noted that the above FIG. 3 only schematically illustrates the embodiment of the present invention, but the present invention is not limited thereto. For example, the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced. Those skilled in the art can appropriately adapt according to the above, and are not limited to the description of FIG. 3 described above.

As can be seen from the above embodiments, the network device transmits common signaling of the user equipment group for indicating the channel state information reference signal resource; and transmits one or more users for scheduling downlink data and/or for indicating channel state information measurement. Dedicated signaling for the device.

Thereby, the resources for PDSCH rate matching and CSI measurement can be uniformly configured by the upper layer, and the description of the high-level configuration information can be simplified. And by public signaling indicating the public information of the group, the control signaling overhead of the whole system can be effectively reduced; for example, multiple CSI-RS resources are carried on the PDSCH and multi-user multiple input multiple output (MU-MIMO) transmission is performed on the PDSCH. In the mode, the indication information needs to notify multiple UEs. In addition, through the common signaling, the indication of the CSI-RS resource for the PDSCH rate matching and the triggering of the CSI-RS can be simultaneously implemented.

Example 2

The embodiment of the invention provides a resource indication method, which is applied to a network device side. The same content of the embodiment of the present invention and the first embodiment will not be described again.

FIG. 5 is a schematic diagram of a resource indication method according to an embodiment of the present invention, which is described from the network device side. As shown in FIG. 5, the method includes:

Step 501: The network device sends a common signaling for indicating a channel state information reference signal resource to a group consisting of multiple user equipments.

Step 502: The network device sends dedicated signaling for scheduling downlink data and/or one or more user equipments in the group for indicating channel state information measurement.

In this embodiment, the channel state information reference signal resource may be used by the user equipment to rate match the downlink data, and/or the channel state information reference signal resource may be used by the user equipment. The channel state information measurement is performed.

In this embodiment, the common signaling may be carried in a group common physical downlink control channel, and the downlink control information in the group common physical downlink control channel includes one or more aperiodic channel state information references. Indicator information for signal resources.

For example, the downlink control information includes a bit mapping field indicating the non-periodic channel state information reference signal resource; each or each bit in the bit mapping field corresponds to one aperiodic channel state information reference signal Resource or resource set.

In this embodiment, the dedicated signaling may be carried in a physical downlink control channel dedicated to the user equipment, and the downlink control information in the physical downlink control channel of the user equipment includes an indication of a physical downlink shared channel carrying the downlink data. Information and/or confirmation of confirmation of non-periodic channel state information measurements.

In this embodiment, the network device may further send, to the user equipment in the group, high layer signaling for configuring resources; where the user equipments in the group are configured with a common resource pool, and each user equipment One or more resources or resource sets selected from the resource pool are configured.

For example, the resource pool includes one or more of the following resources: a periodic channel state information reference signal resource, a semi-persistent channel state information reference signal resource, and an aperiodic channel state information reference signal resource.

In this embodiment, the network device may further send, to the user equipment, control signaling for activating one or more resources or resource sets configured by the higher layer signaling.

Example 3

Embodiments of the present invention provide a resource receiving apparatus. The device may be, for example, a user device or some or some of the components or components of the user device. The same contents of the third embodiment and the first embodiment will not be described again.

FIG. 6 is a schematic diagram of a resource receiving apparatus according to an embodiment of the present invention, as shown in FIG. 600 includes:

a common signaling receiving unit 601, which receives public signaling of a group consisting of multiple user equipments for indicating channel state information reference signal resources, which is sent by the network device; wherein the common signaling is used by users in the group Device decoding

The dedicated signaling receiving unit 602 receives the dedicated signaling sent by the network device for scheduling downlink data and/or for indicating channel state information measurement.

As shown in FIG. 6, the resource receiving apparatus 600 may further include:

The data receiving unit 603, when de-mapping the downlink data, avoids the channel state information reference signal resource indicated in the common signaling to perform rate matching on the downlink data.

As shown in FIG. 6, the resource receiving apparatus 600 may further include:

An information determining unit 604, configured to determine, according to the dedicated signaling, whether to trigger the channel state information measurement;

The channel measurement unit 605 performs the channel state information measurement by using the channel state information reference signal resource in a case where it is determined that the channel state information measurement is triggered.

As shown in FIG. 6, the resource receiving apparatus 600 may further include:

a high-level signaling receiving unit 606, which receives high-level signaling for configuring resources sent by the network device, where user equipments in the group are configured with a common resource pool, and each user equipment is configured with a slave One or more resources or resource sets selected in the resource pool.

As shown in FIG. 6, the resource receiving apparatus 600 may further include:

Control signaling receiving unit 607 receives control signaling sent by the network device for activating one or more resources or resource sets configured by the higher layer signaling.

It is to be noted that the above description has been made only for the respective components or modules related to the present invention, but the present invention is not limited thereto. The resource receiving device 600 may also include other components or modules. For specific contents of these components or modules, reference may be made to related technologies.

Thereby, the resources for PDSCH rate matching and CSI measurement can be uniformly configured by the upper layer, and the description of the high-level configuration information can be simplified. And indicating the public information of the group through common signaling, the control signaling overhead of the whole system can be effectively reduced; for example, multiple CSI-RS resources and PDSCH are carried in the PDSCH in multiple users. In the multi-input multiple-output (MU-MIMO) transmission mode, when the indication information needs to be notified to multiple UEs. In addition, through the common signaling, the indication of the CSI-RS resource for the PDSCH rate matching and the triggering of the CSI-RS can be simultaneously implemented.

Example 4

The embodiment of the invention provides a resource indication device. The device may be, for example, a network device or some or some of the components or components of the network device. The same contents of the fourth embodiment and the second embodiment will not be described again.

FIG. 7 is a schematic diagram of a resource indication apparatus according to an embodiment of the present invention. As shown in FIG. 7, the resource indication apparatus 700 includes:

a common signaling sending unit 701, which sends a common signaling for indicating a channel state information reference signal resource to a group consisting of multiple user equipments;

A dedicated signaling transmitting unit 702 that transmits dedicated signaling for scheduling downlink data and/or one or more user equipments within the group for indicating channel state information measurements.

As shown in FIG. 7, the resource indicating apparatus 700 may further include:

a high layer signaling sending unit 703, which sends high layer signaling for configuring resources to user equipments in the group; wherein user equipments in the group are configured with a common resource pool, and each user equipment is configured There are one or more resources or resource sets selected from the resource pool.

As shown in FIG. 7, the resource indicating apparatus 700 may further include:

Control signaling transmitting unit 704, which transmits control signaling for activating one or more resources or resource sets configured by the higher layer signaling to the user equipment.

It is to be noted that the above description has been made only for the respective components or modules related to the present invention, but the present invention is not limited thereto. The resource indicating device 700 may also include other components or modules. For specific contents of these components or modules, reference may be made to related technologies.

Thereby, the resources for PDSCH rate matching and CSI measurement can be uniformly configured by the upper layer, and the description of the high-level configuration information can be simplified. And by public signaling to indicate the public information of the group, the system can be effectively reduced. The overall control signaling overhead; for example, when the PDSCH carries multiple CSI-RS resources and the PDSCH is in a multi-user multiple-input multiple-output (MU-MIMO) transmission mode, when the indication information needs to notify multiple UEs. In addition, through the common signaling, the indication of the CSI-RS resource for the PDSCH rate matching and the triggering of the CSI-RS can be simultaneously implemented.

Example 5

The embodiment of the present invention further provides a communication system. Referring to FIG. 1, the same content as Embodiments 1 to 4 will not be described again. In this embodiment, the communication system 100 can include:

The network device 101 is configured with the resource indicating device 700 as described in Embodiment 4;

The user equipment 102 is configured with the resource receiving apparatus 600 as described in Embodiment 3.

The embodiment of the present invention further provides a network device, which may be, for example, a base station, but the present invention is not limited thereto, and may be other network devices.

FIG. 8 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 8, network device 800 can include a processor 810 (eg, a central processing unit CPU) and memory 820; and memory 820 is coupled to processor 810. The memory 820 can store various data; in addition, a program 830 for information processing is stored, and the program 830 is executed under the control of the processor 810.

For example, processor 810 can be configured to execute program 830 to implement the resource indication method as described in embodiment 2. For example, the processor 810 can be configured to perform control of transmitting common signaling for indicating channel state information reference signal resources to a group consisting of a plurality of user equipments; and transmitting for scheduling downlink data and/or for indicating Channel state information measures dedicated signaling of one or more user equipments within the group.

In addition, as shown in FIG. 8, the network device 800 may further include: a transceiver 840, an antenna 850, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It should be noted that the network device 800 does not have to include all the components shown in FIG. 8; in addition, the network device 800 may also include components not shown in FIG. 8, and reference may be made to the prior art.

The embodiment of the present invention further provides a user equipment, but the present invention is not limited thereto, and may be other devices.

FIG. 9 is a schematic diagram of a user equipment according to an embodiment of the present invention. As shown in FIG. 9, the user device 900 can include a processor 910 and a memory 920; the memory 920 stores data and programs and is coupled to the processor 910. It should be noted that the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.

For example, the processor 910 can be configured to execute a program to implement the resource receiving method as described in Embodiment 1. For example, the processor 910 may be configured to perform control of receiving common signaling of a group of multiple user equipments for indicating channel state information reference signal resources sent by the network device; wherein the common signaling is Decoding all user equipments within the group; and receiving dedicated signaling sent by the network device for scheduling downlink data and/or for indicating channel state information measurement.

As shown in FIG. 9, the user equipment 900 may further include: a communication module 930, an input unit 940, a display 950, and a power supply 960. The functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the user equipment 900 does not have to include all the components shown in FIG. 9, and the above components are not required; in addition, the user equipment 900 may further include components not shown in FIG. There are technologies.

The embodiment of the present invention further provides a computer readable program, wherein the program causes the network device to perform the resource indication method described in Embodiment 2 when the program is executed in a network device.

The embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the network device to execute the resource indication method described in Embodiment 2.

The embodiment of the present invention further provides a computer readable program, wherein the program causes the user equipment to perform the resource receiving method described in Embodiment 1 when the program is executed in a user equipment.

An embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a user equipment to perform the resource receiving method described in Embodiment 1.

The above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software. The present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps. The present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.

The method/apparatus described in connection with the embodiments of the invention may be embodied directly in hardware, a software module executed by a processor, or a combination of both. For example, one or more of the functional block diagrams shown in FIG. 6 and/or one or more combinations of functional block diagrams (eg, a common signaling receiving unit and a dedicated signaling receiving unit, etc.) may correspond to a computer program. Each software module of the process may also correspond to each hardware module. These software modules may correspond to the respective steps shown in FIG. 2, respectively. These hardware modules can be implemented, for example, by curing these software modules using a Field Programmable Gate Array (FPGA).

Software modules can be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM Memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. A storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor. The processor and the storage medium can be located in an ASIC. The software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal. For example, if a device (such as a mobile terminal) uses a larger capacity MEGA-SIM card or a large-capacity flash memory device, the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.

One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein. An application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or any suitable combination thereof. One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more microprocessors in conjunction with DSP communication or any other such configuration.

The present invention has been described in connection with the specific embodiments thereof, and it should be understood by those skilled in the art that A person skilled in the art can make various modifications and changes to the present invention within the scope of the present invention.

With regard to the embodiments including the above embodiments, the following supplementary notes are also disclosed:

Attachment 1, a resource receiving method, comprising:

Receiving, by the network device, common signaling of a group consisting of multiple user equipments for indicating channel state information reference signal resources; wherein the common signaling is decoded by user equipments in the group;

Receiving dedicated signaling sent by the network device for scheduling downlink data and/or for indicating channel state information measurement.

The method of claim 1, wherein the method further comprises:

When the downlink data is demapped, the channel state information reference signal resource indicated in the common signaling is avoided to perform rate matching on the downlink data.

The method of claim 1, wherein the method further comprises:

Determining whether to trigger the channel state information measurement according to the dedicated signaling;

The channel state information measurement is performed using the channel state information reference signal resource in a case where it is determined that the channel state information measurement is triggered.

The method of claim 1, wherein the common signaling is carried in a group common physical downlink control channel, and the downlink control information in the group common physical downlink control channel includes one or more aperiodic The channel information of the channel state information reference signal.

The method of supplementary note 4, wherein the downlink control information includes a bit mapping field indicating the non-periodic channel state information reference signal resource; each or each of the bit mapping fields A plurality of bits correspond to a resource or a set of resources of a non-periodic channel state information reference signal.

The method of claim 1, wherein the dedicated signaling is carried in a user equipment dedicated physical downlink control channel, and the downlink control information in the user equipment dedicated physical downlink control channel includes carrying the downlink The indication information of the physical downlink shared channel of the data and/or the confirmation information for confirming the measurement of the aperiodic channel state information.

The method of claim 1, wherein the method further comprises:

Receiving, by the network device, high layer signaling for configuring resources; wherein user equipments in the group are configured with a common resource pool, and each user equipment is configured with one selected from the resource pool Or multiple resources or resource sets.

The method of claim 7, wherein the resource pool includes one or more of the following resources: periodic channel state information reference signal resources, semi-persistent channel state information reference signal resources, and aperiodic The channel state information refers to the signal resource.

The method of claim 7, wherein the method further comprises:

Receiving control signaling sent by the network device for activating one or more resources or resource sets configured by the higher layer signaling.

Appendix 10, a resource indication method, comprising:

Transmitting a common signaling for indicating a channel state information reference signal resource to a group consisting of a plurality of user equipments;

Dedicated signaling for scheduling one or more user equipments within the group for scheduling downlink data and/or for indicating channel state information measurements.

The method of embodiment 10, wherein the channel state information reference signal resource is used by the user equipment to rate match the downlink data, and/or the channel state information reference signal The resource is used by the user equipment to perform the channel state information measurement.

The method of claim 10, wherein the common signaling is carried in a group common physical downlink control channel, and the downlink control information in the group common physical downlink control channel includes one or more aperiodic The channel information of the channel state information reference signal.

The method of claim 12, wherein the downlink control information includes a bit mapping field indicating the non-periodic channel state information reference signal resource; each or each of the bit mapping fields A plurality of bits correspond to a resource or a set of resources of a non-periodic channel state information reference signal.

The method of claim 10, wherein the dedicated signaling is carried in a user equipment dedicated physical downlink control channel, and downlink control information in the user equipment dedicated physical downlink control channel includes carrying the downlink The indication information of the physical downlink shared channel of the data and/or the confirmation information for confirming the measurement of the aperiodic channel state information.

The method of claim 10, wherein the method further comprises:

Transmitting high layer signaling for configuring resources to user equipments in the group; wherein user equipments in the group are configured with a common resource pool, and each user equipment is configured to select from the resource pool One or more resources or resource sets.

The method of claim 15, wherein the resource pool includes one or more of the following resources: a periodic channel state information reference signal resource, a semi-persistent channel state information reference signal resource, and a non-period The channel state information refers to the signal resource.

The method of claim 15, wherein the method further comprises:

Control signaling for activating one or more resources or resource sets configured by the higher layer signaling is sent to the user equipment.

Claims

A resource indicating device, the device comprising:

a common signaling sending unit that transmits a common signaling for indicating a channel state information reference signal resource to a group consisting of a plurality of user equipments;

A dedicated signaling transmitting unit that transmits dedicated signaling for scheduling downlink data and/or one or more user equipments within the group for indicating channel state information measurements.
The apparatus of claim 1, wherein the channel state information reference signal resource is used by the user equipment to rate match the downlink data, and/or the channel state information reference signal resource is The user equipment is configured to perform the channel state information measurement.
The apparatus according to claim 1, wherein the common signaling is carried in a group common physical downlink control channel, and downlink control information in the group common physical downlink control channel includes indicating one or more aperiodic channel states. Information refers to the information of the signal resource.
The apparatus according to claim 3, wherein the downlink control information includes a bit mapping field indicating the non-periodic channel state information reference signal resource; and each bit or each bit in the bit mapping field corresponds to A resource or set of resources for a non-periodic channel state information reference signal.
The device according to claim 1, wherein the dedicated signaling is carried in a user equipment dedicated physical downlink control channel, and the downlink control information in the user equipment dedicated physical downlink control channel includes a physical downlink carrying the downlink data. The indication information of the shared channel and/or the confirmation information for confirming the measurement of the aperiodic channel state information.
The apparatus of claim 1 wherein said apparatus further comprises:

a high-level signaling sending unit that sends high-level signaling for configuring resources to user equipments in the group; wherein user equipments in the group are configured with a common resource pool, and each user equipment is configured with One or more resources or resource sets selected from the resource pool.
The apparatus according to claim 6, wherein the resource pool includes one or more of the following resources: a periodic channel state information reference signal resource, a semi-persistent channel state information reference signal resource, and an aperiodic channel state information. Reference signal resource.
The apparatus of claim 6 wherein said apparatus further comprises:

And a control signaling sending unit that transmits control signaling for activating one or more resources or resource sets configured by the higher layer signaling to the user equipment.
A resource receiving device is configured on a user equipment, where the device includes:

a common signaling receiving unit, which receives group common signaling composed of a plurality of user equipments, which are used by the network device to indicate channel state information reference signal resources; wherein the common signaling is decoded by user equipments in the group ;

A dedicated signaling receiving unit that receives dedicated signaling sent by the network device for scheduling downlink data and/or for indicating channel state information measurement.
The apparatus of claim 9 wherein said apparatus further comprises:

And a data receiving unit, when de-mapping the downlink data, avoiding the channel state information reference signal resource indicated by the common signaling to perform rate matching on the downlink data.
The apparatus of claim 9 wherein said apparatus further comprises:

An information determining unit, configured to determine, according to the dedicated signaling, whether to trigger the channel state information measurement;

a channel measurement unit that performs the channel state information measurement by using the channel state information reference signal resource in a case where it is determined that the channel state information measurement is triggered.
The apparatus according to claim 9, wherein the common signaling is carried in a group common physical downlink control channel, and downlink control information in the group common physical downlink control channel includes indicating one or more aperiodic channel states Information refers to the information of the signal resource.
The apparatus according to claim 12, wherein the downlink control information includes a bit mapping field indicating the non-periodic channel state information reference signal resource; and each bit or each bit in the bit mapping field corresponds to A resource or set of resources for a non-periodic channel state information reference signal.
The device according to claim 9, wherein the dedicated signaling is carried in a user equipment dedicated physical downlink control channel, and the downlink control information in the user equipment dedicated physical downlink control channel includes a physical downlink carrying the downlink data. The indication information of the shared channel and/or the confirmation information for confirming the measurement of the aperiodic channel state information.
The apparatus of claim 9 wherein said apparatus further comprises:

a high-level signaling receiving unit, which receives high-level signaling for configuring resources sent by the network device, where user equipments in the group are configured with a common resource pool, and each user equipment is configured with a secondary device One or more resources or resource sets selected in the resource pool.
The apparatus according to claim 15, wherein the resource pool includes one or more of the following resources: a periodic channel state information reference signal resource, a semi-persistent channel state information reference signal resource, and an aperiodic channel state information. Reference signal resource.
The apparatus of claim 15 wherein said apparatus further comprises:

And a control signaling receiving unit that receives control signaling sent by the network device to activate one or more resources or resource sets configured by the higher layer signaling.
A communication system, the communication system comprising:

A network device comprising the resource indicating device according to any one of claims 1 to 9;

A user equipment comprising the resource receiving apparatus according to any one of claims 10 to 17.